33.----How long have you been in this office?----Just a few minutes. My cousins_______here together with me.
#103886
A
have walked
B
had walked  
C
walked
D
have been walking
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He ________ in American for five years, and now he works in Shanghai.
#102010
A
have worked
B
worked
C
had worked
D
have been working
—The light___________on for long. —Oh, I am sorry , I will go and turn it off.
#101529
A
has been left
B
has left
C
had been left
D
had left
 Wait a moment, please. When I _________ writing the letter, I will go shopping with you. 
#99366
A
will have finished
B
have finished
C
will finish
D
finished